下列各物质按照单质、氧化物、混合物的顺序排列的是（   ）

A.popular              B.when             C.at all

D.interests            E.pick up               F.in all

    Do you know what gifts Western kids enjoy best? How do they give them? Let's have a quick look.The most ____gifts are fashionable things like the new video games, CDs and DVDs. A video game costs about US$60 and CDs or DVDs are cheaper at around US$20.Girls like to give jewellery (宝石) they make themselves. They ____pretty beads (串珠) in DIY shops and put them together in their own way.

    US kids give gifts according to their friends' ____. Puzzles or airplane models are good for smart kids.But if you are not sure what others will like, you can give them "gift certificate cards (授权卡)" from a store. They can get whatever they like with the cards. The cards can be worth US$20 or US$30 ____.Usually parents help the kids buy the gifts that they want. So they can make the right decision.

    Before the parties, kids usually wrap the gifts in colourful paper. It's also fine to use newspaper as gift wrap.So ____to open the gifts? In the West, it's usually while everyone is at the party. The receiver (接受者) tries to say something about each gift - like how lovely it is.

They hope to stand         the top of the mountains one day．  

　　甲 陈太丘与友期行，期日中，过中不至，太丘舍去,去后乃至。元方时年七岁，门外戏。客问元方：“尊君在不？”答曰：“待君久不至，已去。”友人便怒：“非人哉！与人期行，相委而去。”元方曰：“君与家君期日中。日中不至，则是无信；对子骂父，则是无礼。”友人惭，下车引之，元方入门不顾。
　　乙田子为相，三年归休，得金百镒^①奉其母。母曰：“子安得此金?”对曰：“所受俸禄也。”母曰：“为相三年不食乎？治官如此，非吾所欲也。孝子之事亲也，尽力至诚，不义之物，不入于馆^②。为人臣不忠，是为人子不孝也。子其去之。”田子愧惭走出，造朝还金，退请就狱。王贤其母，说其义，即舍田子罪，令复为相，以金赐其母。《诗》^③曰：“宜尔子孙承承兮。”言贤母使子贤也。
　　【注释】①镒：二十两。 ②馆：这里指家。 ③《诗》：这里指《诗经》。